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Tag Archives: user interface

Email Address Validation

February 25, 2009 – 16:00

In Validation Vexation, I wrote a bit about ways that validation rules for user-entered data can go awry by being too narrowly-defined. This post adds three more principles for dealing with data validation which are primarily focused on the results of the validation rather than the rules used to do it. The examples [...]

By Dave Sherohman | Posted in Software Development, Technical | Also tagged , , , | Comments Off

Validation Vexation

February 23, 2009 – 16:37

Be liberal in what you accept, and conservative in what you send.
- Postel’s Prescription
Previous posts here have discussed reducing the burden of data entry on your application’s users by cutting down on the number of items that they are required to provide and, even if something is required, allowing it to remain incomplete for as [...]

By Dave Sherohman | Posted in Technical, User Experience | Also tagged , | Comments Off

AJAX Gone Awry

February 11, 2009 – 16:19

If you’re developing or deploying software, then it should have a purpose. Unless you’re doing cutting-edge research, then that purpose is probably not to provide a tech demo, nor to show off how many buzzword-laden features you can pack into it…

By Dave Sherohman | Posted in Technical, User Experience | Also tagged , | Comments Off